Jens Axboe 86c824b943 bio: add documentation to bio_alloc() ...

Explain that with __GFP_WAIT set it will not fail, and that the caller
must never allocate more than 1 bio at the time.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

2009-04-15 12:10:12 +02:00

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